CVE-2025-41021: Stored Cross-Site Scripting (XSS) in Sergestec's Exito v8.0, consisting of a stored XSS due to a lack of prope

Routine

MEDIUM 5.4DOWNGRADE

CVE-2025-41021 is a medium-severity flaw (CVSS 5.4) affecting exito. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Stored Cross-Site Scripting (XSS) in Sergestec's Exito v8.0, consisting of a stored XSS due to a lack of proper validation of user input by sending a POST request using the 'obs' parameter in '/admin/index.php?action=product_update'. This vulnerability could allow a remote user to send a specially crafted query to an authenticated user and steal their cookie session details.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.4 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	0.3% (top 80%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-10-16
Last modified	2026-10-08

Publisher (CNA): Spanish National Cybersecurity Institute, S.A. (INCIBE) · Vendor: sergestec

Last updated 2026-10-08 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-16 08:15 UTCPublished CVE record published
2026-10-08 11:10 UTCUpdated Record last modified

sergestec exito DOWNGRADE

Affected: 8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.0

1. Check installed version

apt-cache policy exito || rpm -q exito || exito --version

2. No fixed release: DOWNGRADE to a release before 8.0 (Debian / Ubuntu)

apt-cache madison exito sudo apt install exito=<VERSION_BEFORE_8.0> sudo apt-mark hold exito

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list exito sudo dnf downgrade exito-<VERSION_BEFORE_8.0> sudo dnf versionlock add exito

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-41021?

exito: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-41021 being exploited?

CVE-2025-41021 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-41021 affect?

CVE-2025-41021 affects exito. Severity is medium (CVSS 5.4). Stored Cross-Site Scripting (XSS) in Sergestec's Exito v8.0, consisting of a stored XSS due to a lack of proper validation of user input by sending a POST request using the 'obs' parameter in '/admin/index.php?action=product_update'. This v

How urgent is CVE-2025-41021?

Priority 24/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-41018 CRITICAL 9.8 DOWNGRADE SQL injection in Sergestec's Exito v8.0
CVE-2025-41020 HIGH 7.5 DOWNGRADE Insecure direct object reference (IDOR) vulnerability in Sergestec's Exito v8.0

References

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